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Question
State the mass number, the atomic number, number of neutrons and electronic configuration of the following atoms.
`""^12""_6C, ""^16""_8O, ""^19""_9F, ""^20""_10Ne, ""_13""Al""^27, ""_17""Cl""^35`
Also, draw atomic diagrams for them.
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Solution
| Name of elements | Atomic number | Atomic mass |
No of proton |
No of electrons |
no.of neutrons |
Electronic configuration |
| `""^12""_6C` | 6 | 12 | 6 | 6 | 6 | 2, 4 |
| `""^16""_8O` | 8 | 16 | 8 | 8 | 8 | 2, 6 |
| `""^19""_9F` | 9 | 19 | 9 | 9 | 10 | 2, 7 |
| `""^20""_10Ne` | 10 | 20 | 10 | 10 | 10 | 2, 8 |
| `""_13""Al""^27` | 13 | 27 | 13 | 13 | 14 | 2, 8, 3 |
| `""_17""Cl""^35` | 17 | 35 | 17 | 17 | 18 | 2, 8, 7 |
| Carbon `""^12""_6C` |  |
| Oxygen `""^16""_8O` |  |
| Fluorine `""^19""_9F` |  |
| Neon `""^20""_10Ne` |  |
| Aluminium `""_13""Al""^27` |  |
| Chlorine `""_17""Cl""^35` |  |
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